{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn05506_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Helmetta, New-Jersey | 1910 | mapsnap generated fit (2026-09-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-20"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"3"},{"label":"placed","value":"2"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 1, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 40.48185,-74.28724 +/-209m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814hm:g3814hm_g055061910:05506_1910-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Helmetta, New-Jersey | 1910 | sanborn05506_003 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5268.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-20T22:47:55Z","modified":"2026-09-20T22:47:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814hm:g3814hm_g055061910:05506_1910-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814hm:g3814hm_g055061910:05506_1910-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"797.3,-0.0 728.0,0.0 -0.0,-0.0 -0.0,1913.0 177.9,1913.0 108.7,1650.3 409.0,1573.7 434.1,1677.1 949.5,1565.8 797.3,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814hm:g3814hm_g055061910:05506_1910-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[434.1,1677.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.4275444,40.3760391]}},{"type":"Feature","properties":{"resourceCoords":[949.1,1566.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.4267248,40.3752278]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814hm:g3814hm_g055061910:05506_1910-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Helmetta, New-Jersey | 1910 | sanborn05506_003 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-20T22:47:55Z","modified":"2026-09-20T22:47:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814hm:g3814hm_g055061910:05506_1910-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814hm:g3814hm_g055061910:05506_1910-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"876.0,132.3 883.6,-0.0 1613.0,-0.0 1613.0,1913.0 -0.0,1913.0 -0.0,0.0 325.4,-0.0 323.1,111.8 876.0,132.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814hm:g3814hm_g055061910:05506_1910-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.4278382772907,40.376632149803534]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.42533598769252,40.37433625389002]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.42888511903881,40.37205943283513]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.431387408637,40.37435532874864]}}]}}]}